Add support for printing out the contents of a PCI BIOS $PIR interrupt
routing table on the console. Eventually it will be printed during verbose boots.
This commit is contained in:
John Baldwin
parent
cea0a89545
commit
fbabd7bec2
@ -66,6 +66,8 @@ static int pci_cfgintr_linked(struct PIR_entry *pe, int pin);
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static int pci_cfgintr_search(struct PIR_entry *pe, int bus, int device, int matchpin, int pin);
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static int pci_cfgintr_virgin(struct PIR_entry *pe, int pin);
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static void pci_print_irqmask(u_int16_t irqs);
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static void pci_print_route_table(struct PIR_table *prt, int size);
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static int pcibios_cfgread(int bus, int slot, int func, int reg, int bytes);
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static void pcibios_cfgwrite(int bus, int slot, int func, int reg, int data, int bytes);
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static int pcibios_cfgopen(void);
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@ -73,8 +75,8 @@ static int pcireg_cfgread(int bus, int slot, int func, int reg, int bytes);
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static void pcireg_cfgwrite(int bus, int slot, int func, int reg, int data, int bytes);
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static int pcireg_cfgopen(void);
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static struct PIR_table *pci_route_table;
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static int pci_route_count;
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static struct PIR_table *pci_route_table;
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static int pci_route_count;
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/*
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* Some BIOS writers seem to want to ignore the spec and put
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@ -487,6 +489,56 @@ pci_cfgintr_virgin(struct PIR_entry *pe, int pin)
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return(PCI_INVALID_IRQ);
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}
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static void
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pci_print_irqmask(u_int16_t irqs)
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{
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int i, first;
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if (irqs == 0) {
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printf("none");
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return;
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}
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first = 1;
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for (i = 0; i < 16; i++, irqs >>= 1)
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if (irqs & 1) {
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if (!first)
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printf(" ");
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else
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first = 0;
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printf("%d", i);
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}
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}
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/*
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* Dump the contents of a PCI BIOS Interrupt Routing Table to the console.
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*/
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static void
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pci_print_route_table(struct PIR_table *prt, int size)
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{
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struct PIR_entry *entry;
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struct PIR_intpin *intpin;
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int i, pin;
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printf("PCI-Only Interrupts: ");
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pci_print_irqmask(prt->pt_header.ph_pci_irqs);
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printf("\nLocation Bus Device Pin Link IRQs\n");
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entry = &prt->pt_entry[0];
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for (i = 0; i < size; i++, entry++) {
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intpin = &entry->pe_intpin[0];
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for (pin = 0; pin < 4; pin++, intpin++)
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if (intpin->link != 0) {
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if (entry->pe_slot == 0)
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printf("embedded ");
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else
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printf("slot %-3d ", entry->pe_slot);
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printf(" %3d %3d %c 0x%02x ",
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entry->pe_bus, entry->pe_device,
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'A' + pin, intpin->link);
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pci_print_irqmask(intpin->irqs);
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printf("\n");
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}
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}
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}
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/*
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* Config space access using BIOS functions
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@ -66,6 +66,8 @@ static int pci_cfgintr_linked(struct PIR_entry *pe, int pin);
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static int pci_cfgintr_search(struct PIR_entry *pe, int bus, int device, int matchpin, int pin);
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static int pci_cfgintr_virgin(struct PIR_entry *pe, int pin);
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static void pci_print_irqmask(u_int16_t irqs);
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static void pci_print_route_table(struct PIR_table *prt, int size);
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static int pcibios_cfgread(int bus, int slot, int func, int reg, int bytes);
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static void pcibios_cfgwrite(int bus, int slot, int func, int reg, int data, int bytes);
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static int pcibios_cfgopen(void);
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@ -73,8 +75,8 @@ static int pcireg_cfgread(int bus, int slot, int func, int reg, int bytes);
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static void pcireg_cfgwrite(int bus, int slot, int func, int reg, int data, int bytes);
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static int pcireg_cfgopen(void);
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static struct PIR_table *pci_route_table;
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static int pci_route_count;
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static struct PIR_table *pci_route_table;
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static int pci_route_count;
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/*
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* Some BIOS writers seem to want to ignore the spec and put
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@ -487,6 +489,56 @@ pci_cfgintr_virgin(struct PIR_entry *pe, int pin)
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return(PCI_INVALID_IRQ);
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}
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static void
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pci_print_irqmask(u_int16_t irqs)
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{
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int i, first;
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if (irqs == 0) {
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printf("none");
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return;
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}
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first = 1;
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for (i = 0; i < 16; i++, irqs >>= 1)
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if (irqs & 1) {
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if (!first)
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printf(" ");
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else
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first = 0;
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printf("%d", i);
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}
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}
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/*
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* Dump the contents of a PCI BIOS Interrupt Routing Table to the console.
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*/
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static void
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pci_print_route_table(struct PIR_table *prt, int size)
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{
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struct PIR_entry *entry;
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struct PIR_intpin *intpin;
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int i, pin;
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printf("PCI-Only Interrupts: ");
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pci_print_irqmask(prt->pt_header.ph_pci_irqs);
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printf("\nLocation Bus Device Pin Link IRQs\n");
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entry = &prt->pt_entry[0];
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for (i = 0; i < size; i++, entry++) {
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intpin = &entry->pe_intpin[0];
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for (pin = 0; pin < 4; pin++, intpin++)
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if (intpin->link != 0) {
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if (entry->pe_slot == 0)
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printf("embedded ");
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else
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printf("slot %-3d ", entry->pe_slot);
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printf(" %3d %3d %c 0x%02x ",
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entry->pe_bus, entry->pe_device,
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'A' + pin, intpin->link);
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pci_print_irqmask(intpin->irqs);
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printf("\n");
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}
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}
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}
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/*
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* Config space access using BIOS functions
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@ -66,6 +66,8 @@ static int pci_cfgintr_linked(struct PIR_entry *pe, int pin);
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static int pci_cfgintr_search(struct PIR_entry *pe, int bus, int device, int matchpin, int pin);
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static int pci_cfgintr_virgin(struct PIR_entry *pe, int pin);
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static void pci_print_irqmask(u_int16_t irqs);
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static void pci_print_route_table(struct PIR_table *prt, int size);
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static int pcibios_cfgread(int bus, int slot, int func, int reg, int bytes);
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static void pcibios_cfgwrite(int bus, int slot, int func, int reg, int data, int bytes);
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static int pcibios_cfgopen(void);
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@ -73,8 +75,8 @@ static int pcireg_cfgread(int bus, int slot, int func, int reg, int bytes);
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static void pcireg_cfgwrite(int bus, int slot, int func, int reg, int data, int bytes);
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static int pcireg_cfgopen(void);
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static struct PIR_table *pci_route_table;
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static int pci_route_count;
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static struct PIR_table *pci_route_table;
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static int pci_route_count;
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/*
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* Some BIOS writers seem to want to ignore the spec and put
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@ -487,6 +489,56 @@ pci_cfgintr_virgin(struct PIR_entry *pe, int pin)
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return(PCI_INVALID_IRQ);
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}
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static void
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pci_print_irqmask(u_int16_t irqs)
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{
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int i, first;
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if (irqs == 0) {
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printf("none");
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return;
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}
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first = 1;
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for (i = 0; i < 16; i++, irqs >>= 1)
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if (irqs & 1) {
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if (!first)
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printf(" ");
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else
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first = 0;
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printf("%d", i);
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}
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}
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/*
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* Dump the contents of a PCI BIOS Interrupt Routing Table to the console.
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*/
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static void
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pci_print_route_table(struct PIR_table *prt, int size)
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{
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struct PIR_entry *entry;
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struct PIR_intpin *intpin;
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int i, pin;
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printf("PCI-Only Interrupts: ");
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pci_print_irqmask(prt->pt_header.ph_pci_irqs);
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printf("\nLocation Bus Device Pin Link IRQs\n");
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entry = &prt->pt_entry[0];
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for (i = 0; i < size; i++, entry++) {
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intpin = &entry->pe_intpin[0];
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for (pin = 0; pin < 4; pin++, intpin++)
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if (intpin->link != 0) {
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if (entry->pe_slot == 0)
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printf("embedded ");
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else
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printf("slot %-3d ", entry->pe_slot);
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printf(" %3d %3d %c 0x%02x ",
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entry->pe_bus, entry->pe_device,
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'A' + pin, intpin->link);
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pci_print_irqmask(intpin->irqs);
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printf("\n");
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}
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}
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}
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/*
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* Config space access using BIOS functions
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